Home / 20,730.24-31,095.08-13,741.52

Finding the Fourth Proportional to 20,730.24, 31,095.08 and 13,741.52

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Solution

The fourth proportional to 20,730.24, 31,095.08 and 13,741.52 is: 20,612.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,730.24 : 31,095.08 = 13,741.52 : x
  2. Step 2: Convert to fraction form
    20,730.24/31,095.08 = 13,741.52/x
  3. Step 3: Cross multiply
    20,730.24x = 31,095.08 × 13,741.52
  4. Step 4: Simplify right side
    20,730.24x = 427,293,663.72
  5. Step 5: Solve for x
    x = 427,293,663.72/20,730.24
  6. Step 6: Final answer
    x = 20,612.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.